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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHANIE MESSINA PA
NPI 1912202987
Physician Assistant in San Francisco, CA

Active since January 21, 2011PECOS Enrolled
2250 HAYES ST, SAN FRANCISCO, CA 94117(424) 444-7399(424) 253-0814 Get Directions Write a Review

NPPES record last updated: November 4, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 4, 2026, Mar 30, 2026, Apr 19, 2021 (3 updates tracked since 2021).

About Stephanie Messina Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHANIE MESSINA PA (NPI 1912202987) is an individual physician assistant in San Francisco, California, licensed in California (PA21409) and active in the NPI registry since January 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912202987
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSTEPHANIE MESSINACredential: PA
Location Address2250 HAYES STSan Francisco, CA 94117-1078
Mailing AddressPo Box 96387Phoenix, AZ 85072-6387 · (877) 445-6828 · Fax (424) 253-0814
Phone(424) 444-7399
Fax(424) 253-0814
Sole ProprietorNo
Enumeration DateJanuary 21, 2011
Last NPPES UpdateNovember 4, 20263 updates tracked since enumeration
NPPES CertifiedNovember 4, 2026
✔ NPI 1912202987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in CA · PA21409✔ Licensed in TX · PA20826
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
2250 HAYES ST, San Francisco, CA 94117
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Messina Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94117 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BILL MORLEY JENKIN JR. DPM
Podiatrist
2250 HAYES ST, SUITE 4A
SAN FRANCISCO, CA 94117
San Francisco County (415) 759-2014
BREALL GROUP
Internal Medicine (Cardiovascular Disease)
2250 HAYES ST, SUITE 204
SAN FRANCISCO, CA 94117
San Francisco County (415) 933-9100
ALBERT P LEE M.D.
Internal Medicine (Cardiovascular Disease)
2250 HAYES ST, SUITE 204
SAN FRANCISCO, CA 94117
San Francisco County (415) 933-9100
DR. KWOK L CHAN M.D.
Internal Medicine
2250 HAYES ST, SUITE 502
SAN FRANCISCO, CA 94117
San Francisco County (415) 752-0337
DR. LEE OZAETA MD
Family Medicine
2250 HAYES ST, SUITE 302
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5995
BAY AREA REHABILITATION MEDICAL GROUP
Physical Medicine & Rehabilitation
2250 HAYES ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5762
JOEL ROBERTSON CLARK DPM
Podiatrist
2250 HAYES ST, SUITE 4A
SAN FRANCISCO, CA 94117
San Francisco County (415) 759-2014
EUGENE C GROEGER
Surgery
2250 HAYES ST, STE 302
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5995

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephanie Messina's NPI number?

The NPI number for Stephanie Messina is 1912202987. It was assigned to this individual provider in the NPPES registry on January 21, 2011.

Where is Stephanie Messina located?

Stephanie Messina practices at 2250 Hayes St, San Francisco, CA 94117. The listed phone number is (424) 444-7399.

What is Stephanie Messina's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Stephanie Messina enrolled in Medicare?

Yes. Stephanie Messina is registered in the Medicare PECOS enrollment system.

What insurance does Stephanie Messina accept?

Health plans from Oscar Insurance Company list Stephanie Messina as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephanie Messina was last updated on November 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.